Dot the Diplodocus is puzzled by the strange behavior of her family and friends, but when she investigates she finds a trail of popcorn that leads her to an answer.

When Dot the Diplodocus hears noises at night she thinks there is a ghost in the house--and when her brother dismisses her fears the other Dino Detectives decide to investigate.

Using Ty the Tyrannosaurus Rex's new invention, the Dino Detectives find a bag of strange coins at the beach and trace them back to a carnival.

Cory the Corythosaurus is excited about playing in the school concert, but when the morning arrives his trumpet is missing--and it is up to the Dino Detectives to solve the mystery of who took it.

" When Awesome Possum notices yet another sock has gone missing in the wash, his suspicions are raised. He senses foul play. If they aren't in the laundry... who could be taking them? Feels like the perfect case for Dino Detective and Awesome Possum Private Eyes!"--